Oberton 15XL700

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97dB
• Frequency response 45 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 45.3Hz
• Mechanical quality factor QMS 10.07
• Electrical quality factor QES 0.29
• Total quality factor QTS 0.28

Large signal parameters

• Maximum linear excursion xmax 8.8mm
• Air volume displaced at xmax VD 726cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 1.05mH
• VC Diameter 100mm
• Winding height HVC 23mm
• Winding material Aluminium
• Former material Glass fiber

Magnet

• Flux density B 1.1T
• Force factor Bl 23.1N/A
• Motor constant Bl/√RE 10N/√W
• Air gap height HAG 11mm
• Material Ferrite

Diaphragm

• Effective diameter 325mm
• Effective area SD 830cm²
• Moving mass MMS 102g
• Moving mass (without air load) MMD 84.7g
• Material Paper with glassfiber

Suspensions

• Stiffness KMS 8.22N/mm
• Compliance CMS 122µm/N
• Equivalent volume to the compliance VAS 117L
• Mechanical resistance RMS 2.87N·s/m

Dimensions

• Nominal diameter 15″
• 385mm
• Overall diameter 388mm
• Baffle cutout diameter 355mm
• Overall depth 181mm
• Volume occupied by the driver (estimated) 5.5L
• Net weight 11.95kg
• Frame material Die Cast Aluminium